Electrically actuated pneumatically operated valve assembly
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United States of America Patent
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-
Aug 10, 1999
Grant Date -
N/A
app pub date -
Aug 7, 1997
filing date -
Aug 7, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A butterfly water valve for a heater core has a vacuum motor attached to the water valve body with the vacuum motor connected to the butterfly valve crank. The vacuum motor housing has a well formed therein and a solenoid operated valve is quick connected in the well and is ported directly to the vacuum motor pressure chamber. The solenoid valve well communicates with a vacuum connector formed integrally with the vacuum motor housing. The vacuum motor housing is preferably formed of two shells welded together and sealing about the rim of a pressure responsive diaphragm.
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